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The Sinclair ZX Spectrum was a considerably popular personal computer during the 1980s. Developed in Britain, it is often credited for popularizing use of the personal computer in Europe. It featured a screen resolution of 256 by 192 colored pixels (unprecedented at the time for a household computer). It was also known for its multifunction rubber...
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Techopedia explains Apache Nutch

Apache Nutch is an open-source product licensed by the Apache Software Foundation. This developer community holds licenses for a range of Apache software tools that can sort and analyze data. One of the central technologies is Apache Hadoop, a big data analytics tool that is very popular in the business community.

Along with tools like Apache Hadoop and features for file storing, analysis and more, the role of Nutch is to collect and store data from the web through the use of web crawling algorithms.

Users can take advantage of simple commands in Apache Nutch to collect information under URLs. Users typically use Apache Nutch along with another open-source tool, a framework called Apache Solr, which can act as a repository for the data collected with Apache Nutch.